1. G.tec Medical Engineering GmbH,Austria
2. Institut D'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS),Barcelona,Spain,08036
3. ETH Zurich,Multi-Scale Robotics Lab (MSRL), Institute of Robotics and Intelligent Systems (IRIS),Zurich,Switzerland,CH-8092
4. Albert-Ludwigs-Universität Freiburg,Laboratory for Microactuators, IMTEK,Freiburg,Germany,79085
5. Johannes Kepler University,Institute for Computational Perception,Linz,Austria